import java.util.*;

/**
 * Created with IntelliJ IDEA
 * Description:
 * User: Administrator
 * Data: 2023 - 07 - 27
 * Time: 21:57
 */
public class Test {
    public static void main(String[] args) {
        Set<Integer> set1 = new TreeSet<>();
        Set<Integer> set2 = new HashSet<>();
        Map<String, Integer> map = new HashMap<>();
    }
}
